Barbara Callahan, RN, CRNFA
NPI 1861560179 · Registered Nurse First Assistant · Austin, TX
Barbara Callahan, RN, CRNFA is a Registered Nurse First Assistant provider in Austin, TX (NPI 1861560179).
Provider details
- NPI number
- 1861560179
- Entity type
- Individual
- Primary specialty
- Registered Nurse First AssistantNursing Service Providers
- Credential
- RN, CRNFA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 507057 (TX)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2007-07-09
Frequently asked questions
- What is Barbara Callahan's NPI number?
- Barbara Callahan's National Provider Identifier (NPI) is 1861560179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Callahan's specialty?
- Barbara Callahan is listed in the NPPES registry with a primary specialty of Registered Nurse First Assistant (Nursing Service Providers).
- Where is Barbara Callahan located?
- Barbara Callahan's practice location on file with NPPES is 14006 Hunters Pass, Austin, TX 78734-3316.
- What is Barbara Callahan's phone number?
- The practice phone number listed in the NPPES registry for Barbara Callahan is (512) 947-6428.
- Is Barbara Callahan's NPI active?
- Yes — Barbara Callahan's NPI (1861560179) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.